Berlekamp–Van Lint–Seidel graph

URI: https://gptkb.org/entity/Berlekamp–Van_Lint–Seidel_graph
GPTKB entity
Statements (21)
Predicate Object
gptkbp:instanceOf gptkb:graph
gptkb:strongly_regular_graph
gptkbp:automorphismGroup PSU(3,5)
gptkbp:builtBy gptkb:unitary_group_PSU(3,5)
gptkbp:chromaticNumber 3
gptkbp:degree 22
gptkbp:diameter 2
gptkbp:discoveredIn 1970
gptkbp:edge 26631
gptkbp:girth 3
gptkbp:multiplicityOfEigenvalue-11 22
gptkbp:multiplicityOfEigenvalue2 220
gptkbp:multiplicityOfEigenvalue22 1
gptkbp:namedAfter gptkb:Elwyn_Berlekamp
gptkb:Jacobus_Hendricus_van_Lint
gptkb:Johan_Seidel
gptkbp:spectrumOfActivity [22, 2, -11]
gptkbp:vertices 243
gptkbp:bfsParent gptkb:Elwyn_Ralph_Berlekamp
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label Berlekamp–Van Lint–Seidel graph